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Finding the Fourth Proportional to 14,073.58, 19,430.58 and 9,039.97

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Solution

The fourth proportional to 14,073.58, 19,430.58 and 9,039.97 is: 12,480.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,073.58 : 19,430.58 = 9,039.97 : x
  2. Step 2: Convert to fraction form
    14,073.58/19,430.58 = 9,039.97/x
  3. Step 3: Cross multiply
    14,073.58x = 19,430.58 × 9,039.97
  4. Step 4: Simplify right side
    14,073.58x = 175,651,860.28
  5. Step 5: Solve for x
    x = 175,651,860.28/14,073.58
  6. Step 6: Final answer
    x = 12,480.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.